<?php
/**
 * Copyright since 2007 PrestaShop SA and Contributors
 * PrestaShop is an International Registered Trademark & Property of PrestaShop SA
 *
 * NOTICE OF LICENSE
 *
 * This source file is subject to the Open Software License (OSL 3.0)
 * that is bundled with this package in the file LICENSE.md.
 * It is also available through the world-wide-web at this URL:
 * https://opensource.org/licenses/OSL-3.0
 * If you did not receive a copy of the license and are unable to
 * obtain it through the world-wide-web, please send an email
 * to license@prestashop.com so we can send you a copy immediately.
 *
 * DISCLAIMER
 *
 * Do not edit or add to this file if you wish to upgrade PrestaShop to newer
 * versions in the future. If you wish to customize PrestaShop for your
 * needs please refer to https://devdocs.prestashop.com/ for more information.
 *
 * @author    PrestaShop SA and Contributors <contact@prestashop.com>
 * @copyright Since 2007 PrestaShop SA and Contributors
 * @license   https://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0)
 */

namespace PrestaShop\PrestaShop\Core\Security\OpenSsl;

use RuntimeException;
use Throwable;

use function openssl_random_pseudo_bytes;

/**
 * Wrapper around the openssl_random_pseudo_bytes function so it can be tested.
 */
class OpenSSL implements OpenSSLInterface
{
    public function getBytes(int $length): string
    {
        // Try catch needed here because it can not work on some systems
        // @see https://www.php.net/manual/en/function.openssl-random-pseudo-bytes.php
        try {
            return \openssl_random_pseudo_bytes($length);
        } catch (Throwable) {
            throw new RuntimeException('OpenSSL is not supported');
        }
    }
}
